Hole saw



FIG. 1 is a side elevational view of a hole saw of the present design;

FIG. 2 is a top view of the hole saw of FIG. 1;

FIG. 3 is a bottom view of the hole saw of FIG. 1;

FIGS. 4 and 5 are perspective views of the hole saw of FIG. 1; and

FIG. 6 is a side elevational view of another embodiment of the hole saw of the present design;

FIG. 7 is a top view of the hole saw of FIG. 6;

FIG. 8 is a bottom view of the hole saw of FIG. 6; and,

FIGS. 9 and 10 are perspective views of the hole saw of FIG. 6.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a hole saw, as shown and described. 